I Have a Headache After Being Beaten by Girls After the Apocalyptic Disaster

Crustal movements deep in the Pacific Ocean have opened huge gaps deep in the abyssal layer. The emergence of unknown viruses and terrifying ancient protozoa rapidly infected and eroded the ocean. The moment water resources are polluted, 99.9% Of men in the world suffer death and mutation. However, only women over the age of thirty years die and mutate one after another. Most women in their twenties can survive carrying the virus. However, in a middle school, a boy avoided direct death and mutation. Facing this earth-shaking world, where should he lead the surviving girls around him? No, rather than leading, it is better to say that he is forced to lead. He is the one with the lowest status and the lowest authority to speak, so it is very difficult. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.